div{
    color: blue;
    font-size: 20px;
}
p{
    color:yellow;
}
div ul{
    width: 505px;
    height: 35px;
    list-style: none;
}
div ul li{
    width: 100px;
    height: 35px;
    line-height: 35px;
    background: navy;
    color: #fff;
    text-align: center;
    float: left;
    border-right: 1px solid #fff;
}
div ul li.cur{
    background: cyan;
}